Microwave Enhanced Synthesis of Sulfonated Chitosan-Montmorillonite for Effective Removal of Methylene Blue

被引：0
作者：
Nur Shazwani Abdul Mubarak
N. N. Bahrudin
Ali H. Jawad
B. H. Hameed
S. Sabar
机构：
[1] Universiti Sains Malaysia,Chemical Sciences Programme, School of Distance Education (SDE)
[2] Universiti Putra Malaysia,Department of Chemistry, Faculty of Science
[3] Universiti Teknologi MARA,Faculty of Applied Sciences
[4] Qatar University,Department of Chemical Engineering, College of Engineering
来源：
Journal of Polymers and the Environment | 2021年 / 29卷
关键词：
Adsorption; Chitosan; Microwave irradiation; Montmorillonite; Sulfonation; Wastewater and treatment;
D O I：
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中图分类号：
学科分类号：
摘要：
In this work, sulfonated chitosan montmorillonite composite (S-CS-MT) beads were synthesized using a microwave irradiation method designed to have a better saving-time procedure. The potency of S-CS-MT as an adsorbent was assessed for the removal of cationic dyes such as methylene blue (MB) from aqueous solution. The batch adsorption experiments indicated that MB adsorption onto S-CS-MT follows the Pseudo-second-order kinetic and Langmuir isotherm model. The maximum extent obtained from the Langmuir isotherm model for MB adsorption was 188.2 mg g−1 at 303 K. The thermodynamic study indicated that the adsorption reaction is favorable and spontaneous in nature. These findings indicated that montmorillonite chitosan grafted with the sulfonate group has the ability and efficacy as biohybrid adsorbent for the adsorption of cationic dyes.
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页码：4027 / 4039
页数：12
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